body {
    margin: 0;
}
.map {
    position: relative;
    width: 900px;
    height: 600px;
    background-color: #ccc;
}
.rule {
    position: absolute;
    width: 200px;
    height: 600px;
    left: 900px;
    top: 20px;
    background-color: #333;
    color: #fff;
    .title {
        text-align: center;
    }
}
.enemy {
    width: 200px;
    // height: 100px;
    left: 700px;
    background-color: #333;
    color: #fff;
}
.player {
    position: absolute;
    width: 200px;
    // height: 100px;
    left: 700px;
    background-color: #333;
    color: #fff;
}